A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Urea Nitrogen (BUN), Serum

Message
Day(s) Test Set Up: Monday through Sunday


Test Code
BUN


CPT Codes
84520

Preferred Specimen
1.0 mL plasma


Instructions
Spin down.


Transport Container
PST Tube


Transport Temperature
Refrigerated


Methodology
Colorimetric

Reference Range
Males 9-20 mg/dL Alarm value: >100 mg/dL Females 7-17 mg/dL Alarm value: >100 mg/dL


Clinical Significance
Blood urea nitrogen is measured as an indicator of renal function. Urea nitrogen is a product of protein metabolism which is excreted by the kidneys.



Last Updated: January 30, 2013


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.